public @Nullable Entry<E> lastEntry() {
    return delegate().lastEntry();
  }

  @Override
  public @Nullable Entry<E> pollFirstEntry() {
    throw new UnsupportedOperationException();
  }

  @Override
  public @Nullable Entry<E> pollLastEntry() {
    throw new UnsupportedOperationException();
  }

  @Override
  public SortedMultiset<E> headMultiset(E upperBound, BoundType boundType) {

        assertArgumentNotNull("driver", driver);

        try {
            DriverManager.registerDriver(driver);
        } catch (final SQLException e) {
            throw new SQLRuntimeException(e);
        }
    }

    /**
     * Deregisters a JDBC driver.
     *
     * @param driver
     *            The JDBC driver to deregister. Must not be {@literal null}.
     */

        dataMap.put("title", "Test Document");

        // Execute and verify exception
        try {
            indexUpdateCallback.store(paramMap, dataMap);
            fail("Should throw DataStoreException");
        } catch (DataStoreException e) {
            assertTrue(e.getMessage().contains("url is null"));
        }
    }

    @Test
    public void test_store_withLabels() {

        } catch (InvalidVersionSpecificationException e) {
            throw new RuntimeException(e);
        }
    }

    private VersionRange parseVersionRange(String spec) {
        try {
            return versionScheme.parseVersionRange(spec);
        } catch (InvalidVersionSpecificationException e) {
            throw new RuntimeException(e);
        }
    }

        }

        return dstIndex - start;
    }

    @Override
    public int decode(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException {
        if (len < 8) {
            throw new SMBProtocolDecodingException("Invalid compression context length: " + len);
        }

        int start = bufferIndex;

        // Read compression count

  }

  /**
   * Guaranteed to throw an exception and leave the multimap unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final ImmutableList<V> removeAll(@Nullable Object key) {
    throw new UnsupportedOperationException();
  }

   * {@code ClassCastException} for any elements {@code e1} and {@code e2} in the multiset. If the
   * user attempts to add an element to the multiset that violates this constraint (for example, the
   * user attempts to add a string element to a set whose elements are integers), the {@code
   * add(Object)} call will throw a {@code ClassCastException}.
   *

        for (String cron : potentiallyValidCrons) {
            boolean result = validator.isValid(cron, context);
            // Don't assert true/false here, just test that method doesn't throw
            assertNotNull(Boolean.valueOf(result), "Validation should return a boolean result for: " + cron);
        }
    }

    // Test edge cases to understand the validation behavior
    @Test

  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)
  public void testGetOrDefault_nullAbsentAndUnsupported() {
    try {
      assertEquals(
          "getOrDefault(null, def) should return default or throw",
          v3(),
          getMap().getOrDefault(null, v3()));
    } catch (NullPointerException tolerated) {
    }
  }

  @MapFeature.Require(ALLOWS_NULL_KEYS)
  @CollectionSize.Require(absent = ZERO)

    list.add(
        () -> {
          try {
            okayToRun.await();
          } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new RuntimeException(e);
          }
          runCalled.getAndIncrement();
        },
        directExecutor());
    Runnable execute = list::execute;
    Thread thread1 = new Thread(execute);